СЛУЧАИ ИЗ ПРАКТИКИ HAEMORRHAGIC DENGUE FEVER: A CASE REPORT FROM BRAZIL R. Micelle F.N., Sachivkina N.P. Departament of Microbiology and Virology People’s Friendship University of Russia Miklukho-Maklaya str., 6, Moscow, Russia, 117198 Leal S.P.B. Faculty of Medicine Cearб Federal State University Alexandre Baraъna str., 949, Fortaleza, Brazil, 60430160 J.T. Serpa S. Faculty of Medicine Maranhгo Federal State University Barгo de Itapary str., 227, Sгo Luis, Brazil, 65020070 Dengue fever (DF) is a common cause of arboviral infections in South America, belonging to the genus Flavivirus. <...> Only in Fortaleza, the 5th most populated city in Brazil, in the year of 2011 over 110 cases of dengue fever by day were being registered [3]. <...> DF is only rarely considered as a cause of acute liver failure [4], while this particular case involves three different systems, being the reason why it called our attention. 50 year old, male, conscious, presents to Sгo Josй Hospital of Infectious Diseases with classic dengue fever symptoms, being the day of his admission the 9th since the first symptoms erupted. <...> Other causes for acute hepatic failure like acute viral hepatitis, leptospirosis, malaria, Reyes syndrome were ruled out, had the patient already been tested for dengue IgM in a local hospital. <...> His EСG reinforced the cardiac enzymes’ results, showing a clear alteration in ventricular repolarization. <...> Patient progressed with shock, cardiac insufficiency and ischemic hepatitis. <...> With treatment for the multiple conditions he made a significant clinical and biochemical improvement. <...> He was discharged after 33 days of hospital stay. <...> Key words: Dengue fever, Flavivirus, infectious diseases, viral hemorrhagic fevers, tropical diseases, brazil, case study, Aedes aegypti. <...> A dengue case is suspect on each patient presenting fever, with a maximum duration of seven days, accompanied by at least two signs or symptoms such as headache, retroorbital pain, myalgia, arthralgia, prostration or rash, with or without the presence of bleeding or hemorrhage, with positive epidemiological history, having been in the last 15 days in a dengue transmission area that has <...>